Growing community of inventors

Marugame, Japan

Akihiro Muramatsu

Average Co-Inventor Count = 2.45

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 23

Akihiro MuramatsuAkifumi Aono (9 patents)Akihiro MuramatsuRyuki Kan (5 patents)Akihiro MuramatsuEiichiro Hikosaka (4 patents)Akihiro MuramatsuToshifumi Hino (4 patents)Akihiro MuramatsuTakafumi Ohto (3 patents)Akihiro MuramatsuHirofumi Asada (3 patents)Akihiro MuramatsuTsuyoshi Kamibeppu (3 patents)Akihiro MuramatsuYoshinobu Okada (3 patents)Akihiro MuramatsuMasayoshi Hino (2 patents)Akihiro MuramatsuRonald D Blum (1 patent)Akihiro MuramatsuWilliam Kokonaski (1 patent)Akihiro MuramatsuThomas Overthun (1 patent)Akihiro MuramatsuJoshua N Haddock (1 patent)Akihiro MuramatsuSho Tanaka (1 patent)Akihiro MuramatsuRobert Hall (1 patent)Akihiro MuramatsuCharles Dale Willey (1 patent)Akihiro MuramatsuThomas Brisebras (1 patent)Akihiro MuramatsuHortense Desodt (1 patent)Akihiro MuramatsuYongping Wang (1 patent)Akihiro MuramatsuRichard Clompus (1 patent)Akihiro MuramatsuMark Graham (1 patent)Akihiro MuramatsuMartin Kay (1 patent)Akihiro MuramatsuClaudio Dalla Longa (1 patent)Akihiro MuramatsuDavid Boyd (1 patent)Akihiro MuramatsuSatoko Machida (1 patent)Akihiro MuramatsuVenki Iyer (1 patent)Akihiro MuramatsuSophie Adams (1 patent)Akihiro MuramatsuKouji Sone (1 patent)Akihiro MuramatsuChris Hill (1 patent)Akihiro MuramatsuShunsuke Nishihara (1 patent)Akihiro MuramatsuAkihiro Muramatsu (18 patents)Akifumi AonoAkifumi Aono (10 patents)Ryuki KanRyuki Kan (16 patents)Eiichiro HikosakaEiichiro Hikosaka (6 patents)Toshifumi HinoToshifumi Hino (4 patents)Takafumi OhtoTakafumi Ohto (9 patents)Hirofumi AsadaHirofumi Asada (4 patents)Tsuyoshi KamibeppuTsuyoshi Kamibeppu (4 patents)Yoshinobu OkadaYoshinobu Okada (4 patents)Masayoshi HinoMasayoshi Hino (9 patents)Ronald D BlumRonald D Blum (210 patents)William KokonaskiWilliam Kokonaski (148 patents)Thomas OverthunThomas Overthun (127 patents)Joshua N HaddockJoshua N Haddock (70 patents)Sho TanakaSho Tanaka (51 patents)Robert HallRobert Hall (41 patents)Charles Dale WilleyCharles Dale Willey (30 patents)Thomas BrisebrasThomas Brisebras (27 patents)Hortense DesodtHortense Desodt (24 patents)Yongping WangYongping Wang (22 patents)Richard ClompusRichard Clompus (21 patents)Mark GrahamMark Graham (21 patents)Martin KayMartin Kay (20 patents)Claudio Dalla LongaClaudio Dalla Longa (19 patents)David BoydDavid Boyd (7 patents)Satoko MachidaSatoko Machida (5 patents)Venki IyerVenki Iyer (4 patents)Sophie AdamsSophie Adams (4 patents)Kouji SoneKouji Sone (3 patents)Chris HillChris Hill (3 patents)Shunsuke NishiharaShunsuke Nishihara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsui Chemicals, Inc. (11 from 1,788 patents)

2. Carl Zeiss Vision International Gmbh (6 from 226 patents)

3. Mutsui Chemicals, Inc. (1 from 2 patents)


18 patents:

1. 12210222 - Frame and eyewear

2. D1049209 - Spectacle frame

3. D1049210 - Spectacle frame

4. D1048162 - Spectacle frame

5. D1046954 - Spectacle frame

6. 12055796 - Lens and method for manufacturing lens

7. 11953757 - Eyewear

8. 11934045 - Eyewear, and non-transitory computer-readable recording medium

9. 11886048 - Lens and eyewear

10. 11614641 - Eyewear

11. 11513368 - Lens unit

12. 11425977 - Eyewear case

13. 11314119 - Lens, lens blank, and eyewear

14. 11249327 - Lens and eyewear

15. 10859865 - Lens, lens blank, and eyewear

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1/3/2026
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